A074211 Composites which use less than all of their digits in their prime factorization.

1024, 1331, 3645, 4375, 10201, 14641, 15625, 17253, 19321, 19683, 24389, 32805, 37179, 49375, 74431, 78125, 117649, 131072, 137216, 137842, 147833, 159375, 161051, 161792, 167042, 170471, 205379, 214369, 214375, 234375, 239872, 249318

Offset: 1

Author

Stephen Tucker, Sep 19 2002

Keywords

• base
• easy
• nonn

Comments

Prime numbers use all of their digits and an extra 1 (as a power) in their prime factorization. Thus this sequence can be defined as numbers which use a proper subset of their digits in their prime factorization. - Tanya Khovanova, Apr 20 2022

Examples

			1024 = 2^10.
		

Crossrefs

Cf. A025283.